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Find Flight Deals from Portland to Ontario (PDX - ONT)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Portland to Ontario

(Round-trip)
Depart: Sun Jun 14 2015 Return: Wed Jun 17 2015 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PDX
4:15p
ONT
6:26p
2h 11m
nonstop
ONT
2:00a
PDX
4:23a
2h 23m
nonstop
Depart: Tue Jan 6 2015 Return: Tue Jan 13 2015 Trip spans 8 days
Delta
Delta
PDX
12:25p
ONT
4:49p
4h 24m
1 stop
ONT
1:15a
PDX
7:38a
6h 23m
1 stop
Depart: Sat Jan 10 2015 Return: Tue Jan 13 2015 Trip spans 4 days
United
United
PDX
8:55a
ONT
12:45p
3h 50m
1 stop
ONT
1:13p
PDX
5:30p
4h 17m
1 stop
Depart: Sat Jan 17 2015 Return: Sat Jan 24 2015 Trip spans 8 days
US Airways
US Airways
PDX
10:15a
ONT
4:11p
5h 56m
1 stop
ONT
1:30a
PDX
8:21a
6h 51m
1 stop
Depart: Wed Jan 7 2015 Return: Wed Jan 14 2015 Trip spans 8 days
Delta
Delta
PDX
12:25p
ONT
4:49p
4h 24m
1 stop
ONT
1:15a
PDX
7:38a
6h 23m
1 stop
Depart: Tue Jan 13 2015 Return: Wed Jan 21 2015 Trip spans 9 days
Delta
Delta
PDX
12:30p
ONT
4:49p
4h 19m
1 stop
ONT
1:15a
PDX
7:38a
6h 23m
1 stop
Depart: Wed Jan 14 2015 Return: Wed Jan 21 2015 Trip spans 8 days
Delta
Delta
PDX
11:55a
ONT
4:49p
4h 54m
1 stop
ONT
12:25p
PDX
4:59p
4h 34m
1 stop
Depart: Tue Jan 20 2015 Return: Sat Jan 24 2015 Trip spans 5 days
Delta
Delta
PDX
12:30p
ONT
4:49p
4h 19m
1 stop
ONT
1:15a
PDX
7:38a
6h 23m
1 stop
Depart: Wed Jan 21 2015 Return: Wed Jan 28 2015 Trip spans 8 days
Delta
Delta
PDX
11:55a
ONT
4:49p
4h 54m
1 stop
ONT
5:10a
PDX
10:59a
5h 49m
1 stop
Depart: Sat Jan 24 2015 Return: Sat Jan 31 2015 Trip spans 8 days
United
United
PDX
2:05a
ONT
7:00a
4h 55m
1 stop
ONT
9:51a
PDX
3:07p
5h 16m
1 stop
Depart: Tue Jan 27 2015 Return: Tue Feb 3 2015 Trip spans 8 days
Delta
Delta
PDX
12:30p
ONT
4:49p
4h 19m
1 stop
ONT
1:15a
PDX
7:38a
6h 23m
1 stop
Depart: Wed Jan 28 2015 Return: Tue Feb 3 2015 Trip spans 7 days
Delta
Delta
PDX
11:55a
ONT
4:49p
4h 54m
1 stop
ONT
1:15a
PDX
7:38a
6h 23m
1 stop
Depart: Sat Jan 31 2015 Return: Wed Feb 4 2015 Trip spans 5 days
Delta
Delta
PDX
8:30a
ONT
3:56p
7h 26m
1 stop
ONT
12:25p
PDX
4:59p
4h 34m
1 stop
Depart: Tue Feb 3 2015 Return: Sat Feb 7 2015 Trip spans 5 days
United
United
PDX
5:36a
ONT
9:21a
3h 45m
1 stop
ONT
12:30a
PDX
4:47a
4h 17m
1 stop
Depart: Wed Feb 4 2015 Return: Sat Feb 7 2015 Trip spans 4 days
United
United
PDX
1:20p
ONT
6:55p
5h 35m
1 stop
ONT
12:30a
PDX
4:47a
4h 17m
1 stop
Depart: Sat Feb 7 2015 Return: Tue Feb 10 2015 Trip spans 4 days
Delta
Delta
PDX
11:40a
ONT
4:43p
5h 03m
1 stop
ONT
12:25p
PDX
4:59p
4h 34m
1 stop
Depart: Tue Feb 10 2015 Return: Wed Feb 11 2015 Trip spans 2 days
Delta
Delta
PDX
12:30p
ONT
4:49p
4h 19m
1 stop
ONT
12:25p
PDX
4:59p
4h 34m
1 stop
Depart: Wed Feb 11 2015 Return: Sat Feb 14 2015 Trip spans 4 days
Delta
Delta
PDX
11:55a
ONT
4:49p
4h 54m
1 stop
ONT
1:10a
PDX
7:16a
6h 06m
1 stop
Depart: Sun Feb 1 2015 Return: Sat Feb 7 2015 Trip spans 7 days
Multiple Airlines
Multiple Airlines
PDX
1:00a
ONT
5:44a
4h 44m
1 stop
ONT
7:40a
PDX
2:42p
7h 02m
1 stop
Depart: Fri Apr 10 2015 Return: Fri Apr 17 2015 Trip spans 8 days
American Airlines
American Airlines
PDX
4:30p
ONT
6:41p
2h 11m
nonstop
ONT
5:20a
PDX
7:37a
2h 17m
nonstop
Change your search
Direct flights PDX to ONT on Delta
Flight # Depart PDX Arrive ONT Sun Mon Tue Wed Thu Fri Sat Valid Between
8975 5:00 pm 7:08 pm Jan 11 - Feb 7
8975 5:00 pm 7:07 pm Dec 23 - Jan 10
9150 8:10 pm 10:15 pm Jan 2 - Jan 4
Airports
Origin

Portland
$218
Destination

Ontario
$218